Document zQnrgMLj5knjEe58GjEdvqnan

American Society of Heating and Ventilating Engineers Guide, 1926-27 STANDARD FORM For Reporting Results of Low-Pressure Steam-Heating Boiler Tests RESULTS Of a Test on a Low-Pressure Boiler Date of Test___......... ................................................................................................... .... Conducted at.............................................. ...... .......................................................... . Director of Test...... ........................... ........................................ ...................................(signature) Manufacturer of.Boiler............................................................................:............... Owner of Boiler.......................................................................................... ;................ . Size of Boiler..... ............................................................................................................... Type of Boiler.......................................................... ........................................................ GENERAL PARTICULARS OF BOILER AND FUEL Boiler Type....................... ................................................................................................................................-- Made by...... ................................. .... ........................................................ ................................................ Length of Grate (or Diameter)......................................... ...........................................................in. Width of Grate.... ....... _.T....................................................... ...................... ..................................... in. Fuel Capacity (Greatest Possible Volume)..................................... .................................... cu. ft. Maximum Fuel Depth (Greatest Possible Depth of Fuel).................................................... in. Fuel Capacity Normal............................. ...................... ............................................................ cu. ft. Fuel Depth Normal.... ..... .-.............:............................... ..... ............................................................. in. Average Distance from Top of Normal Fuel Charge to Crown Sheet............................. Jn. Total Furnace Volume, Grate to Crown Sheet and Bridge Wall.... ............................. cu. ft. Total Combustion Space Beyond Bridge Wall................................................................... cu. ft. Water Capacity (To Water Line).................:........................................................................... .... lb. Height of Water Line ....................... ....... .........................................................................................in. oLcaiu \_uimci;uuii& useu s\bci.ze........................................................................... m. . Kind of Insulation........................................................ *............................................................... ............ Thickness of Insulation__............................... in. Detailed Description of Boiler......................................................... .................................................... Smoke Pipe and Chimney Area of Smoke Pipe..._............................................................................. ......................^............sq. in. Length of Smoke Pipe (Boiler to Chimney)...... .......... .................. ..................................... ..... in. Number and Kind of Bends in Smoke Pipe...... .............................................................................. Chimney, Height above Grate............................................................... ....... ................ ;ft. Chimney, Area at Bottom......................................................:.................................................. sq. ft. Chimney, Area at Top.......................................... ...................................................................... sq. ft. Fuel Name. Size.... Proximate Analysis Moisture............. ............................ Volatile Matter............................. Fixed Carbon.......... .................... Ash................................. per cent per cent per cent per cent Ultimate Analysis Carbon........ .................... Hydrogen.... ............. Oxygen............................................. Nitrogen.................................;........ Sulphur...... ..................................... Ash..................................................... per cent per cent per cent per cent per cent per cent As Fired Moisture Free As Fired Moisture Free These forms may be obtained on request at the office of the Secretary of the American Society of Heating and Ventilating Engineers. 29 West 39th Street. New York City, at nominal coat. 118 American Society of Heating and Ventilating Engineers Guide, 1926-27 Heat Value (Gross) 1 B.t.u. per lb. as fired...... .................................................. -............................................................ B.t.u. per lb. moisture free.......................................................................................................... B^t.u. per lb. moisture and ash free...... ..................................................................................... Character of Fuel (State whether coking or free-burning, clinker troubles, etc.) Method of Firing PRINCIPAL RESULTS OF TEST Heat recovered at the boiler outlet per hour............................... ................. ........... 1000 B.t.u Maker's rating (sq. It. radiation X 240)......................................................1000 B.t.u. per hr. Percentage of maker's rating developed...... .................. ....... .......................................... per cent Mean interval between charging fuel...................... ................ ..............-............................. hours Mean interval between attention of any kind to the fire, including charging...........hours Overall thermal efficiency...................................................................................--...............per cent DETAILED RESULTS OF TEST (For full particulars of boiler and fuel see "general particulars" ante) General Information 1. Date of Test------- ;......................................................-................................................... 2. Number of Test.........................:.................................................................................... 3. Location of Boiler.......................................................................................................... 4. Maker of Boiler and Type............ .............................................................................. 5. Owner of Plant..................................................................-............................................. 6. Test Conducted by................... :....................................................................-..... -...... 7. Duration of Test.--........................................................ ....... ---.......................................---hr. 8. Manufacturer's Rating of Boiler............................................................... sq. ft. radiation1 9. Grate Area2....................................................................................................... -................... sq. ft. 10. Barometric Pressure....... ...................................:................................................ in. of mercury Fuel 11. Heat value, as fired...............................................................................................B.t.u. per lb. 12. Number of Times Fuel Charged during Test--------.............................. ......--..................... 13. Intervals between Charging, hrs. Longest......... Shortest....-----Average.......... '......... 14. Intervals between Attention of any Kind to the Fire, including firing, hr. Longest.......... Shortest.......... Average......... .......... 15. Average Fired per Charge2.............................................................................................-...... lb. 16. Depth on Grate at Start of Test----................................................................. .................. .... (After Firing)............................................................................:................................ --.in. 17. Depth on Grate at Finish of Test--.............................. .............................................-........ in. 18. Weight as Fired during Test2.................. -............... .....................................................lb. 19. Weight as Fired per Hour3................................................................-.................................--lb. 20. Moisture in Fuel....................................................................................................... per cent 21. Weight Fired per Hour less Moisture:2 100 - item 20 item 19 .................................. ............... ...................................... lb. 100 Ash and Refuse 22. Weight of Ash and Refuse Removed from Grate........................................................... lb. 23. Weight of Ash and Refuse Removed from Ashpit...... ................................................... lb. 24. Total Weight of Ash and Refuse Removed4 (item 22 + item 23)......................................................................................................lb- *One sq. ft. radiation to be assumed equal to 240 B.t.u. per hr. # tt 9If the grate have an unusual shape, method of computing area must be stated under "Remarks. 3When the New Fire Method is used the equivalent fuel charged shall be given throughout. The method of obtaining this is shown at the end of this table. *To include ash content of residual fire when New Fire Method is used. 119